Unlock the core principles of logical reasoning with this essential guide to abduction and cognitive systems. Dive deep into “ignorance-preserving inference,” exploring how conjecture and satisficing drive intelligent problem-solving. This seminal work offers an original, rigorously developed formal logic of abduction, vital for researchers and students in AI, computer science, philosophy, and legal reasoning across India. Understand its profound implications from scientific discovery to forensic analysis and criminal trials. A must-read for anyone seeking to master complex reasoning and decision-making in a world of incomplete knowledge.